387614140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 823350528

約数和(自身を除く): 435736388

約数列:

[1, 2, 4, 5, 10, 20, 223, 233, 373, 446, 466, 746, 892, 932, 1115, 1165, 1492, 1865, 2230, 2330, 3730, 4460, 4660, 7460, 51959, 83179, 86909, 103918, 166358, 173818, 207836, 259795, 332716, 347636, 415895, 434545, 519590, 831790, 869090, 1039180, 1663580, 1738180, 19380707, 38761414, 77522828, 96903535, 193807070, 387614140]

約数ペア:

[(1, 387614140), (2, 193807070), (4, 96903535), (5, 77522828), (10, 38761414), (20, 19380707), (223, 1738180), (233, 1663580), (373, 1039180), (446, 869090), (466, 831790), (746, 519590), (892, 434545), (932, 415895), (1115, 347636), (1165, 332716), (1492, 259795), (1865, 207836), (2230, 173818), (2330, 166358), (3730, 103918), (4460, 86909), (4660, 83179), (7460, 51959)]